'Divergent' trailer gives glimpse of gloomy Chicago

Well this looks familiar. Sort of. At 0:20 we get the first glance of "Divergent's" Chicago. Who spilled a forest in the lake? The Willis is there, but it looks like Chicago got some more skyscrapers.

Well this looks familiar. Sort of. At 0:20 we get the first glance of "Divergent's" Chicago. Who spilled a forest in the lake? The Willis is there, but it looks like Chicago got some more skyscrapers. (Summit Entertainment)